" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
melalui (0,3) --> 3 = a(1)(-3)
3 = a(-3)
a = -1
y = -1(x+1)(x-3)
y = - (x² - 2x - 3)
x² - 2x - 3 = -y
x² -2x = 3 - y
(x -1)² = 3+1-y
(x-1)² = 4-y
(x-1)² = -(y - 4)